Home / 5,227.84-7,214.39-2,837.86

Finding the Fourth Proportional to 5,227.84, 7,214.39 and 2,837.86

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Solution

The fourth proportional to 5,227.84, 7,214.39 and 2,837.86 is: 3,916.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.84 : 7,214.39 = 2,837.86 : x
  2. Step 2: Convert to fraction form
    5,227.84/7,214.39 = 2,837.86/x
  3. Step 3: Cross multiply
    5,227.84x = 7,214.39 × 2,837.86
  4. Step 4: Simplify right side
    5,227.84x = 20,473,428.81
  5. Step 5: Solve for x
    x = 20,473,428.81/5,227.84
  6. Step 6: Final answer
    x = 3,916.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.